T1 Group tech stack
T1 Group builds mostly with 1C, SQL, Python, Java. Its stack also includes Linux, Apache Kafka, PostgreSQL, React.js. 1C is named in 25 of the 90 job postings T1 Group published in the last 12 months (28%). Counted by Alion from the job postings of T1 Group, updated Sep 27, 2026.
What programming languages does T1 Group use?
1C is named in 28% of job postings at T1 Group, followed by SQL (21%), Python (19%), Java (7%).
1C 
Show all (16)
What frameworks and libraries does T1 Group use?
React.js is named in 4% of job postings at T1 Group, followed by Next.js (3%), FastAPI (2%), ONNX Runtime (2%).
React.js
4 4%
Next.js
3 3%
FastAPI
2 2%
LangChain
2 2%
TBB
2 2%
Angular
1 1%
Show all (19)
What databases does T1 Group use?
PostgreSQL is named in 17% of job postings at T1 Group, followed by MySQL (3%), Redis (3%), MS SQL (2%).
PostgreSQL
15 17%
MySQL
3 3%
Redis
3 3%
MS SQL
2 2%
ClickHouse
2 2%
OpenSearch
2 2%
ElasticSearch
1 1%
MariaDB
1 1%
Show all (9)
What cloud and platforms does T1 Group use?
Linux is named in 27% of job postings at T1 Group, followed by Apache Kafka (22%), Windows (11%), Kubernetes (10%).
Apache Kafka
20 22%
Kubernetes
9 10%
GitLab
9 10%
RabbitMQ
7 8%
Kubeflow
4 4%
Show all (37)
What developer tools does T1 Group use?
Docker is named in 10% of job postings at T1 Group, followed by Rest API (10%), Git (4%), gRPC (4%).
Docker
9 10%
Rest API
9 10%
Git
4 4%
gRPC
4 4%
WebSockets
4 4%
Ansible
4 4%
Jenkins
4 4%
Docker Compose
3 3%
Show all (46)
And 6 more, each named in fewer postings.
What AI and ML technologies does T1 Group use?
LLM is named in 11% of job postings at T1 Group.
LLM
10 11%
Which engineering practices does T1 Group ask for?
CI/CD is named in 12% of job postings at T1 Group, followed by SLI/SLO/SLA (9%), RAG (7%), TCP/IP (7%).
Show all (22)
What does each T1 Group team work with?
The technologies each team's postings require most often, with the number of postings that require them.
Analytics
18 postingsSupport
10 postingsLeadership
7 postingsDevOps
7 postingsHow does your stack fit T1 Group?
How modern is the T1 Group stack?
T1 Group scores 70 out of 100 (Modern). The score averages how current each technology in the stack is and adds weight for AI adoption. AI technologies in the stack: 1; legacy ones: 0.
How common is the T1 Group stack in its industry?
Share of the 1,998 companies in the same industries, whose stack Alion knows, that use each technology.
Companies with a stack like T1 Group
Questions about the T1 Group tech stack
What programming languages does T1 Group use?
The languages named in T1 Group job postings are 1C (28%), SQL (21%), Python (19%), Java (7%), Bash (6%), as a share of the 90 postings of the last 12 months.
Does T1 Group use React.js?
Yes. React.js is named in 4 of 90 job postings (4%) and required in 1 of them.
What cloud and platforms does T1 Group use?
The cloud and platforms named in T1 Group job postings are Linux (24), Apache Kafka (20), Windows (10) (postings in brackets).
What skills do you need for a Analytics job at T1 Group?
Analytics postings at T1 Group most often require SQL (11), Apache Kafka (6), Rest API (6), gRPC (4), out of 18 postings in the last 12 months.
Is the T1 Group tech stack changing?
No new technology has appeared in T1 Group job postings in the last six months.
How modern is the T1 Group tech stack?
T1 Group scores 70 out of 100 (Modern). The score averages how current each technology in the stack is and adds weight for AI adoption. AI technologies in the stack: 1; legacy ones: 0.
How does Alion know the T1 Group tech stack?
Alion reads every job posting T1 Group publishes and tags the technologies each one names. The figures on this page count the 90 postings of the last 12 months and were updated on Sep 27, 2026.
Method and citation
Alion reads every job posting the company publishes and tags the technologies each one names. Shares count the postings of the last 12 months, open and closed; the company's own products are counted apart. How we count
Alion, "T1 Group tech stack: 150 technologies from 90 job postings", as of Sep 27, 2026. https://alion.io/company/t1/technologies